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Shallow Shear-Wave (SV) Reflection Surveying with Distributed Acoustic Sensing in Zuidbroek, the Netherlands

Conference Paper (2023)
Author(s)

G. Drijkoningen (TU Delft - Civil Engineering & Geosciences)

D. Zhang (TU Delft - Civil Engineering & Geosciences)

Research Group
Applied Geophysics and Petrophysics
DOI related publication
https://doi.org/10.3997/2214-4609.202320137 Final published version
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Publication Year
2023
Language
English
Research Group
Applied Geophysics and Petrophysics
Bibliographical Note
Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.
Event
Near Surface Geoscience 2023 (2023-09-03 - 2023-09-07), Edinburgh, United Kingdom
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Abstract

A field experiment was conducted in Zuidbroek, the Netherlands to compare the performance of a DAS and horizontal-geophone system for shear-wave (SV) reflection surveying. The data were subjected to processing for reflection imaging, including conversion of the geophone data to strain-rate data, to enable such a comparison on migrated-section level. Our findings indicate that DAS straight-fibre data shows a lower-frequency information content, but achieves better reflector continuity than the geophone data due to the more continuous and denser sampling with the DAS system.

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